removing problem statements

1 files changed, 0 insertions, 51 deletions

diff --git a/Electronic_Principles_/Chapter_4_New.ipynb b/Electronic_Principles_/Chapter_4_New.ipynb
index af0210e1..b02a4e3e 100644
--- a/Electronic_Principles_/Chapter_4_New.ipynb
+++ b/Electronic_Principles_/Chapter_4_New.ipynb
@@ -27,23 +27,18 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 4.1.py\n",

-      "#Calculate peak load voltage and the dc load voltage.\n",

       "\n",

       "import math\n",

       "\n",

-      "#Variable declaration\n",

       "Vrms=10             #RMS Value of sine wave(V)\n",

       "f=60                #frequency(Hz)\n",

       "\n",

-      "#Calculation\n",

       "Vp=Vrms/0.707       #peak source voltage(V)\n",

       "Vpout=Vp            #peak load voltage(V)\n",

       "Vdc=Vp/math.pi      #dc load voltage(V)\n",

       "Vpouts=Vp-0.7       #peak load voltage in 2nd approx.\n",

       "Vdc=Vpouts/math.pi  #dc load voltage(V)\n",

       "\n",

-      "#Result\n",

       "print 'Vp=',round(Vp,2),'V'\n",

       "print 'With an ideal diode, Vpout =',round(Vpout,2),'V'\n",

       "print 'DC load voltage, Vdc =',round(Vdc,2),'V'\n",

@@ -79,15 +74,11 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 4.2.py\n",

-      "#What are the peak load voltage and dc load voltage in Figure 4.5?\n",

       "\n",

       "import math\n",

       "\n",

-      "#Variable declaration\n",

       "Vs=120                 #supply voltage(V)\n",

       "\n",

-      "#Calculation\n",

       "V2=Vs/5                #Secondary voltage(V)\n",

       "Vp=V2/0.707            #peak secondary voltage\n",

       "Vpout=Vp               #peak load voltage(V)\n",

@@ -95,7 +86,6 @@
       "Vpouts=Vp-0.7          #peak load voltage in 2nd approx.(V)\n",

       "Vdc2=Vpouts/math.pi    #dc load voltage(V)\n",

       "\n",

-      "#Result\n",

       "print 'As per fig.4-5, Transformer turns ratio is 5:1'\n",

       "print 'V2=',round(V2,2),'V'\n",

       "print 'Vp=',round(Vp,2),'V'\n",

@@ -135,21 +125,16 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 4.3.py\n",

-      "#Figure 4.7 shows full wave rectifier, Calculate the peak input and output voltages.\n",

       "\n",

-      "#Variable declaration\n",

       "Vrms=120             #RMS value of supply(V)\n",

       "N12=10               #turn ratio\n",

       "\n",

-      "#Calculation\n",

       "Vp1=Vrms/0.707       #peak primary voltage(V)\n",

       "Vp2=Vp1/N12          #peak secondary voltage(V)\n",

       "Vpin=0.5*Vp2         #input voltage(V)\n",

       "Vpout=Vpin           #Output voltage (V)\n",

       "Vpouts=Vpin-0.7      #Output voltage in 2nd approx.(V)\n",

       "\n",

-      "#Result\n",

       "print 'Peak primary voltage Vp1=',round(Vp1,2),'V'\n",

       "print 'Peak secondary voltage Vp2=',round(Vp2,2),'V'\n",

       "print 'Due to center-tap,' \n",

@@ -187,21 +172,16 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 4.4.py\n",

-      "#Figure 4.7 shows full wave rectifier. If one of the diodes were open then, calculate the peak input and output voltages.\n",

       "\n",

-      "#Variable declaration\n",

       "Vrms=120                 #RMS value of supply(V)\n",

       "N12=10                   #turn ratio\n",

       "\n",

-      "#Calculation\n",

       "Vp1=Vrms/0.707           #peak primary voltage(V)\n",

       "Vp2=Vp1/N12              #peak secondary voltage(V)\n",

       "Vpin=0.5*Vp2             #input voltage(V)\n",

       "Vpout=Vpin               #Output voltage(V)\n",

       "Vpouts=Vpin-0.7          #Output voltage in 2nd approx.(V)\n",

       "\n",

-      "#Result\n",

       "print 'Peak primary voltage Vp1=',round(Vp1,2),'V'\n",

       "print 'Peak secondary voltage Vp2=',round(Vp2,2),'V'\n",

       "print 'Due to one of the diodes were open, load voltage will be the half wave signal'\n",

@@ -239,19 +219,14 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 4.5.py\n",

-      "#Calculate peak & output voltages in figure 4.9\n",

       "\n",

-      "#variable declaration\n",

       "Vrms=120            #RMS value of supply(V)\n",

       "N12=10              #turn ratio\n",

       "\n",

-      "#Calculation\n",

       "Vp1=Vrms/0.707      #peak primary voltage(V)\n",

       "Vp2=Vp1/N12         #peak secondary voltage(V)\n",

       "Vpout=Vp2           #Output voltage(V)\n",

       "\n",

-      "#Result\n",

       "print 'Peak primary voltage Vp1=',round(Vp1,2),'V'\n",

       "print 'Peak secondary voltage Vp2=',round(Vp2,2),'V'\n",

       "print 'secondary voltage is input of rectifier'\n",

@@ -285,24 +260,19 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 4.6.py\n",

-      "#What is the dc load voltage and ripple in figure 4.14?\n",

       "\n",

-      "#Variable declaration\n",

       "Vrms=120               #RMS value of supply(V)\n",

       "N12=5                  #turn ratio\n",

       "RL=5                   #Load resistance(KOhm)\n",

       "C=100                  #Capacitance(uF)\n",

       "f=60                   #Frequency(Hz)\n",

       "\n",

-      "#Calculation\n",

       "V2=Vrms/N12            #RMS secondary voltage(V)\n",

       "Vp=V2/0.707            #peak secondary voltage(V)\n",

       "VL=Vp                  #dc load voltage(V)\n",

       "IL=VL/RL               #Load current(mA)\n",

       "VR=(IL/(f*C))*(10**3)  #ripple voltage(V)\n",

       "\n",

-      "#Result\n",

       "print 'RMS secondary voltage V2=',V2,'V'\n",

       "print 'Peak secondary voltage Vp=',round(Vp,2),'V'\n",

       "print 'with ideal diode and small ripple, dc load voltage, VL =',round(VL,2),'V'\n",

@@ -342,24 +312,19 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 4.7.py\n",

-      "#What is the dc load voltage and ripple in figure 4.15?\n",

       "\n",

-      "#Variable declaration\n",

       "Vrms=120                 #RMS value of supply(V)\n",

       "N12=5                    #turn ratio\n",

       "RL=5                     #Load resistance(KOhm)\n",

       "C=100                    #Capacitance(uF)\n",

       "f=60                     #Frequency(Hz)\n",

       "\n",

-      "#Calculation\n",

       "V2=Vrms/N12              #RMS secondary voltage(V)\n",

       "Vp=V2/0.707              #peak secondary voltage(V)\n",

       "VL=Vp/2                  #dc load voltage(V)\n",

       "IL=VL/RL                 #Load current(mA)\n",

       "VR=(IL/(2*f*C))*(10**3)  #ripple voltage(V)\n",

       "\n",

-      "#Result\n",

       "print 'RMS secondary voltage V2=',V2,'V'\n",

       "print 'Peak secondary voltage Vp=',round(Vp,2),'V'\n",

       "print 'Half this voltage is input to each half-wave section, with ideal diode and small ripple, dc load voltage, VL =',round(VL,2),'V'\n",

@@ -401,24 +366,19 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 4.8.py\n",

-      "#What is the dc load voltage and ripple in figure 4.16?\n",

       "\n",

-      "#Variable declaration\n",

       "Vrms=120                 #RMS value of supply(V)\n",

       "N12=5                    #turn ratio\n",

       "RL=5                     #Load resistance(KOhm)\n",

       "C=100                    #Capacitance(uF)\n",

       "f=60                     #Frequency(Hz)\n",

       "\n",

-      "#Calculation\n",

       "V2=Vrms/N12              #RMS secondary voltage(V)\n",

       "Vp=V2/0.707              #peak secondary voltage(V)\n",

       "VL=Vp                    #dc load voltage(V)\n",

       "IL=VL/RL                 #Load current(mA)\n",

       "VR=(IL/(2*f*C))*(10**3)  #ripple voltage(V)\n",

       "\n",

-      "#Result\n",

       "print 'RMS secondary voltage V2=',V2,'V'\n",

       "print 'Peak secondary voltage Vp=',round(Vp,2),'V'\n",

       "print 'with ideal diode and small ripple, dc load voltage, VL =',round(VL,2),'V'\n",

@@ -460,24 +420,19 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 4.9.py\n",

-      "#Calculate the dc load voltage and ripple in figure 4.17\n",

       "\n",

-      "#Variable declaration\n",

       "Vrms=120                 #RMS value of supply(V)\n",

       "N12=15                   #turn ratio\n",

       "RL=0.5                   #Load resistance(KOhm)\n",

       "C=4700                   #Capacitance(uF)\n",

       "f=60                     #Frequency(Hz)\n",

       "\n",

-      "#Calculation\n",

       "V2=Vrms/N12              #RMS secondary voltage(V)\n",

       "Vp=V2/0.707              #peak secondary voltage(V)\n",

       "VL=Vp-1.4                    #dc load voltage(V)\n",

       "IL=VL/RL                 #Load current(mA)\n",

       "VR=(IL/(2*f*C))*(10**3)  #ripple voltage(V)\n",

       "\n",

-      "#Result\n",

       "print 'RMS secondary voltage V2=',V2,'V'\n",

       "print 'Peak secondary voltage Vp=',round(Vp,2),'V'\n",

       "print 'with ideal diode and small ripple & due to 1.4V across two conducting diodes actual dc voltage is, VL =',round(VL,2),'V'\n",

@@ -517,21 +472,15 @@
      "cell_type": "code",

      "collapsed": false,

      "input": [

-      "#Example 4.10.py\n",

-      "#What is the peak inverse voltage for turns ratio is 8:1?\n",

-      "#Breakdown voltage of 50V.\n",

       "\n",

-      "#Variable declaration\n",

       "Vrms=120                 #RMS value of supply(V)\n",

       "N12=8                    #turn ratio\n",

       "f=60                     #Frequency(Hz)\n",

       "\n",

-      "#Calculation\n",

       "V2=Vrms/N12              #RMS secondary voltage(V)\n",

       "Vp=V2/0.707              #peak secondary voltage(V)\n",

       "PIV = Vp                 #Peak Inverse Voltage(V)\n",

       "\n",

-      "#Result\n",

       "print 'RMS secondary voltage V2=',V2,'V'\n",

       "print 'Peak inverse voltage PIV =',round(PIV,2),'V'\n",

       "print 'PIV << breakdown voltage(50V), So, it is safe to use IN4001'"